Are you expecting the upcoming X217? So excited to introduce the features of it: 1. Super power output 217W! Four modes are available: Power, Voltage, Temperature control and Custom, more choice for you. 2. No built-in dual 21700 Batteries of 7500mAh. Giving you a long-lasting and enduring vaping experience. 3. Interactive & colorful breathing LED light. When you vape, the breathing LED light starts to flicker! Guess what makes the light flicker?